intercom-one-way

components.my-component.js

import Ember from 'ember';

export default Ember.Component.extend({
   actions: {
    onChecked: function() {
      this.checkboxCb();
    }
  }
});

controllers.application.js

import Ember from 'ember';

export default Ember.Controller.extend({
  appName: 'Ember Twiddle',
  
  checkbox: true,
  doSomeStuff: function() {
    console.log('req');
  },
  
  checkboxCb: function() {
    // this.doSomeStuff is undefined because 
    // its called from my-component
    // with my-component context
    this.doSomeStuff(); 
  }
});

templates.application.hbs

<h1>Welcome to {{appName}}</h1>
<br>
<br>
{{outlet}}

{{my-component checkbox=checkbox checkboxCb=checkboxCb}}
<br>
<br>

templates.components.my-component.hbs

Checkbox: {{one-way-checkbox checkbox update=(action 'onChecked')}}

twiddle.json

{
  "version": "0.10.6",
  "EmberENV": {
    "FEATURES": {}
  },
  "options": {
    "use_pods": false,
    "enable-testing": false
  },
  "dependencies": {
    "jquery": "https://cdnjs.cloudflare.com/ajax/libs/jquery/1.11.3/jquery.js",
    "ember": "2.9.0",
    "ember-data": "2.9.0",
    "ember-template-compiler": "2.9.0",
    "ember-testing": "2.9.0"
  },
  "addons": {
    "ember-one-way-controls": "1.1.0"
  }
}